Blue Light Glasses – Do You Need Them?
Blue light glasses seem to be taking quite the trend right now, which leads everyone to the question… Do we need them? Chances are if you are reading this article you are being exposed to blue light as we speak. But it’s not just smartphones and other electronics that conduct blue light, even the sun and indoor lights emit it. Everyone is exposed to blue light at some point in the day, just some more than others.
What is Blue Light?
It’s helpful to know that blue light doesn’t actually appear blue to the naked eye. Blue light is part of the visible light spectrum with the shortest wavelengths but the highest energy. Interestingly enough, the eye does not block these blue lights: the cornea and the lens block UV rays however blue light passes through these and can reach the retina.
Blue light exposure can lead to macular degeneration which is a form of vision loss, as well as digital eye strain.
What Does Blue Light do to Our Body?
The fact that blue light is everywhere means that it can throw off our bodies’ natural body clock. This is due to our brain thinking it is daytime whenever exposed to blue light, and the reason why we are told to not use electronic devices before sleeping as it can cause sleepless nights.
Although there is no definite information on how much blue light you can be exposed to before showing serious side effects, long term exposure to it can have some intense side effects. Headaches, disorientation and sleepless nights are just the beginning of it.
Benefits of Blue Light Glasses
This is where the blue light glasses come into action. These are special glasses that block blue light transmissions of a specific segment or wavelength. In addition to the glasses filtering out blue light, the lenses are designed to help reduce the occurrence of digital eye strain and avoids circadian rhythm cycle disruption which affects your sleep and overall well-being. The glasses are usually a yellow tint or a standard lens colour and block any harmful blue lights.
Do You Need Blue Light Glasses
After all, are blue light glasses really that beneficial and should you invest in a pair? The average screen time for adults is around 11 hours, and as a result of that, eyes are under a lot of strain. If you consider yourself to be around that average number or even more, then this might be a good investment for you.
Even if you don’t need glasses to see properly, it’s still worthwhile to always use blue light glasses when using electronic devices. If you are one of those people who sit on their phone at night then you are effectively telling your body to stay awake, so grabbing a pair could be worth your while for a peaceful sleep. Research shows that wearing blue light glasses for around 3 – 4 hours before bedtime can lead to a better and more peaceful sleep.
Other Ways of Blocking Blue Light
If you’re still unsure of whether blue light glasses are worth your money or not then there are still other methods of blocking out blue light without the need for glasses.
Most modern phones and screens have a night mode feature that dims the screen for a few hours to keep melatonin levels going the right way and prepare your brain for sleep. There are also apps that will adjust your phone’s screen brightness automatically depending on the time of day.
There are also blue light filters that can be attached over monitors or lightbulbs that automatically filter out blue light. This can be a very good investment if you work from home.
How do you sleep at night? Have you tried blue light filters yet? Let me know in the comments below!